Refactor a messy API client into typed, testable, cache-aware Python modules with retries
You are given a single-file Python script that calls multiple REST endpoints with duplicated code. Refactor it into a small package with: (1) typed dataclasses for responses, (2) a reusable HTTP client with retries/backoff and timeouts, (3) an in-memory cache with TTL, (4) unit tests using pytest and responses, and (5) clear docstrings. Provide the new file structure and full code.
Design a secure multi-tenant RBAC schema and queries for PostgreSQL with row-level security
Design a PostgreSQL schema for a multi-tenant app supporting organizations, users, roles, permissions, and resources. Implement row-level security policies ensuring tenant isolation and least privilege. Provide: tables, indexes, example RLS policies, and sample queries for (a) listing accessible resources, (b) granting roles, and (c) auditing permission changes.
Explain how to evaluate policy proposals using cost-benefit, incentives, and measurable outcomes frameworks
Create a neutral, nonpartisan guide for evaluating public policy proposals. Cover: defining goals, identifying stakeholders, mapping incentives, estimating costs/benefits, choosing metrics, considering equity impacts, and planning pilots/iterations. Include a simple checklist and an example evaluation template.
Summarize key trends in AI, energy, and cybersecurity and propose responsible adoption best practices
Write a high-level overview of current science/technology trends (AI systems, clean energy scaling, and cybersecurity resilience) without referencing specific news events. Explain major opportunities, common risks, and practical best practices for responsible adoption in organizations. Keep it accessible to a general audience.